| Product Identification | Back to Contents | 【Product Name】
2-Oxy-4-amino pyrimidine | 【Synonyms】
4-Amino-2(1H)-pyrimidinone
4-Amino-2-hydroxypyrimidine
4-Amino-2-oxo-1,2-dihydropyrimidine
4-Amino-3H-pyrimidin-2-one
4-Aminouracil
Cytosinimine | 【CAS】
71-30-7 | 【Formula】
C4H5N3O | 【Molecular Weight】
111.1 | 【EINECS】
200-749-5 | 【RTECS】
UW7350150 | 【RTECS Class】
Mutagen | 【Merck】
13,2824 | 【Beilstein/Gmelin】
2637 | 【Beilstein Reference】
4-25-00-03654 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
White solid. | 【Solubility in water】
Very soluble | 【Melting Point】
313 - 316 | 【Vapor Pressure】
0.01 (232 C) | 【Density】
0.98631 - 0.99771 g/cm3 (55 - 25 C) | 【pKa/pKb】
9.40 (pKb) | 【Partition Coefficient】
-1.65 | 【Usage】
Nitrogenous base. |
| First Aid Measures | Back to Contents | 【Ingestion】
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid if irritation or symptoms occur. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear. | 【Skin】
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. If irritation develops, get medical aid. |
| Handling and Storage | Back to Contents | 【Storage】
Store in a cool, dry place. Store in a tightly closed container. | 【Handling】
Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation. |
| Hazards Identification | Back to Contents | 【Ingestion】
No hazard expected in normal industrial use. Ingestion of large amounts may cause gastrointestinal irritation. | 【Inhalation】
No hazard expected in normal industrial use. May cause respiratory tract irritation. | 【Skin】
May cause skin irritation. | 【Eyes】
May cause eye irritation. | 【EC Safety Phrase】
S 22 24/25 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin. | 【Respirators】
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. |
| Fire Fighting Measures | Back to Contents | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam. |
| Stability and Reactivity | Back to Contents | 【Stability】
Stable under normal temperatures and pressures. | 【Incompatibilities】
Strong oxidizing agents. | 【Decomposition】
Carbon monoxide, oxides of nitrogen, carbon dioxide. |
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